sumaxium 56W 14V 4A DC Car Charger for NOCO GB70/GB150/GB250+ — Vehicle Adapter with Safety Protections

sumaxium’s 56W 14V 4A DC car charger lets you recharge NOCO UltraSafe lithium jump starters from a vehicle cigarette-lighter socket quickly and safely.

This compact charging cord is purpose-built for NOCO Genius Boost models including GB70, GB150, GB250+, GB251+, GB500 and GB500+. It converts your car, truck, RV or boat 12V–24V accessory port into a dependable power source so your jump starter is ready whenever you need it. The adapter emphasizes safety and resilience with built-in protections against voltage spikes, excessive current and short circuits, and delivers a steady 14V output suited to the specified NOCO units.

Will this charger work with my NOCO jump starter?

The sumaxium cable is designed specifically for the listed NOCO UltraSafe Boost models: GB70, GB150, GB250+, GB251+, GB500 and GB500+. It will not function with GB20, GB40, GB50 or Boost X series units. Always confirm your NOCO model matches before purchase.

• Compatible with: GB70, GB150, GB250+, GB251+, GB500, GB500+
• Not compatible with: GB20, GB40, GB50, Boost X series
• Connector type: DC input tailored for NOCO Genius Boost UltraSafe lithium models

How fast and reliable is charging in a vehicle?

Rated at 56 watts and 14 volts/4 amps, this adapter provides a robust charge rate for the supported NOCO units when connected to a functioning 12V or 24V accessory socket. It’s intended for on-the-road recharging so you can top up your jump starter during travel or while parked with the engine running.

• Power delivery: 14V, 4A, 56W for efficient recharge
• Works with: 12V and 24V vehicle sockets (cars, trucks, RVs, boats)
• Plug-and-play: no tools required—connect to the accessory port and the jump starter

What safety features protect my equipment and vehicle?

The cord includes multi-layer electrical protection to minimize risk to both the jump starter and the vehicle’s power system. These protections help the charger cope with common power irregularities encountered in vehicle environments, increasing longevity and reducing the chance of damage.

• Over-voltage protection (OVP) prevents excessive voltage from reaching the device
• Over-current protection (OCP) limits current flow to safe levels
• Short-circuit protection (SCP) cuts output if a fault occurs

Is the adapter durable and suitable for travel?

The sumaxium charger is built for mobile use: it’s compact, lightweight and made to withstand the vibrations and temperature swings common in vehicles. Its reinforced cable and sturdy connector casings make it practical for routine storage in glove compartments, gear kits, or emergency bags.

• Compact form factor for easy storage and portability
• Robust construction to handle temperature changes and vibration
• Fits standard vehicle accessory ports across multiple vehicle types

Who is this for? If you own one of the supported NOCO UltraSafe Genius Boost jump starters and want a reliable way to recharge it from a vehicle accessory port, this sumaxium 56W DC car charger is a practical addition. It suits frequent drivers, road-trippers, fleet operators, boat owners and anyone who keeps a portable jump starter on hand for emergencies. Avoid purchasing if your NOCO unit is not on the compatible list.